Tips for healthy grocery shopping

Shop the perimeter — the produce section, meat and dairy. "When you get to the aisles, you get in trouble," Robinson said. "They keep all the things you don't need in aisles," such as sugary cereals and sodium-packed noodle packages.

When it comes the produce, the darker the color, the richer it is in nutrients.

Avoid trans fats. "Trans fat cannot be broken down by the body, so you want to avoid it at all costs," she said. That means skipping sticks of margarine or butter, which contain hydrogenated oils. That means trans fat.

Buy fresh or frozen vegetables instead of canned to cut down on sodium intake.